Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
61581539TF
No factors below 274
TF target 274
P-1
B1 = 580000
B2 = 11455000
LL
StatusDateUserResidueShift
Verified2013-11-25Zistrosk883B93A0330BAB6444650306
Verified2022-05-11Sergey Nosov883B93A0330BAB6416616700
History
DateUserTypeResult
2022-05-11Sergey NosovC-LL
883B93A0330BAB64
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2013-11-25ZistroskC-LL
883B93A0330BAB64
2013-07-08A_SavchenkoNF
no factor from 2^73 to 2^74
2013-04-26James HeinrichNF-PM1
B1=580000, B2=11455000
2013-02-01BigBrotherNF
no factor from 2^72 to 2^73
2013-02-01BigBrotherNF
no factor from 2^71 to 2^72
2012-11-06MOmaxNF
no factor from 2^70 to 2^71
2011-11-20benthomasNF
no factor from 2^69 to 2^70
2009-10-09Roman MaznichenkoNF
no factor from 2^68 to 2^69
2009-02-10tmorrowNF
no factor from 2^67 to 2^68
2009-02-08tmorrowNF
no factor from 2^66 to 2^67
2009-02-06kutensNF
no factor from 2^65 to 2^66
2009-02-04oodairaNF
no factor from 2^64 to 2^65
2009-02-03Sturle SundeNF
no factor from 2^63 to 2^64